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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

Soy Isoflavone in Combination With Radiation Therapy and Cisplatin in SCC of the Head and Neck

NCT02075112
View directory record Official record
Conditions
Cancer of Head and Neck
Interventions
Soy isoflavone, Radiation, Cisplatin
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 5, 2019 · Synced Sep 18, 2026, 4:32 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

RQC for the Prevention of Alzheimer's Disease and Retinal Amyloid-β

NCT06470061
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Cognitive Decline
Interventions
Resveratrol, Quercetin, and Curcumin (RQC), Curcumin
Drug
Lead sponsor
Zaparackas and Knepper LTD
Other
Eligibility
50 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Sep 18, 2026, 4:32 AM EDT
Suspended Phase 2 Interventional

Inflammation and Stem Cells in Diabetic and Chronic Kidney Disease

NCT03325322
View directory record Official record
Conditions
Chronic Kidney Diseases, Diabetes Mellitus, Diabetic Nephropathies
Interventions
Fisetin, Placebo oral capsule
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 4 Interventional

Inhibition of HBV Replication and Biological Reversal of Cirrhosis (F3-F4) and HCC by Flavonoids

NCT07084948
View directory record Official record
Conditions
Hepatitis B Virus Infection
Interventions
Flavonoid, Tenofovir
Drug
Lead sponsor
Trieu, Nguyen Thi, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Milk Thistle in Pathological Gambling

NCT02337634
View directory record Official record
Conditions
Pathological Gambling, Gambling Disorder
Interventions
Placebo, Milk Thistle
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tart Cherry Juice for Sleep in Older Adults With Insomnia: A Pilot Study of Feasibility and Comprehensive Mechanisms

NCT06786494
View directory record Official record
Conditions
Sleep Problems, Insomnia
Interventions
Tart Cherry Juice, Placebo juice
Other
Lead sponsor
Courtney Millar
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Roslindale, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Black Tea Intake on Serum Lipids

NCT01882283
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
Tea Treatment Group, Placebo
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
45 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 6, 2019 · Synced Sep 18, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Efficacy of a Tea Catechin Sports Drink for Enhancing Exercise-Induced Fat Loss

NCT00692731
View directory record Official record
Conditions
Overweight, Obesity
Interventions
500 mL/day of a beverage providing approximately 625 mg catechins, Control beverage matched for energy and caffeine content
Dietary Supplement · Other
Lead sponsor
Provident Clinical Research
Other
Eligibility
21 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
St. Petersburg, Florida • Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 5, 2008 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Exercise, Milk Thistle, and Lactobacillus to Influence Plasma Bilirubin

NCT04717726
View directory record Official record
Conditions
Obesity
Interventions
Milk Thistle (MT), Lactobacillus Gasseri (LAC), Exercise (EX), Control (CON)
Dietary Supplement · Behavioral
Lead sponsor
Kyle Flack
Other
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Quercetin PK/PD Study in Healthy Adults and Patients With Hypercoagulable States

NCT01722669
View directory record Official record
Conditions
Healthy
Interventions
isoquercetin or quercetin
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced Sep 18, 2026, 4:32 AM EDT
Recruiting Phase 1 Interventional

Quercetin Dyskeratosis Congenita (DC)/Telomere Biology Disorders (TBD)

NCT07628972
View directory record Official record
Conditions
Dyskeratosis Congenita, Telomere Disease
Interventions
Quercetin
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluate the Effects of Repeated Periods of Modified Fasting to Support Healthy Natural Weight Management and Prevention of Weight Gain

NCT03372109
View directory record Official record
Conditions
Body Weight Changes
Interventions
Meal replacement shake, Multivitamin and mineral capsules, Fish oil with sesame lignans and olive extract softgel, Prebiotic Chewable tablet, Clove Extract and Maqui Berry extract capsule, .Whole Food Blend capsule, Turmeric extract capsule, European White Kidney Bean capsule, Saffron extract capsule, Ubiquinol with Fulvic acid complex softgel, Calcium with Hesperidin and gynostemma extract tablet, Multivitamin and mineral supplement
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

(+) Epicatechin to Treat Friedreich's Ataxia

NCT02660112
View directory record Official record
Conditions
Friedreich's Ataxia
Interventions
(+)-Epicatechin
Drug
Lead sponsor
Ralitza Gavrilova
Other
Eligibility
10 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Results available

Effects of Botanical Microglia Modulators in Gulf War Illness

NCT02909686
View directory record Official record
Conditions
Gulf War Illness
Interventions
Boswellia Serrata, Curcumin, Epimedium, Fisetin, Luteolin, Nettle, Pycnogenol, Reishi Mushroom, Resveratrol, Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
39 Years to 65 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Study of Genistein in Reducing Side Effects of Superficial Bladder Cancer Treatment

NCT01489813
View directory record Official record
Conditions
Bladder Cancer
Interventions
Genistein, Sugar pill
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Feasibility of Dasatinib and Quercetin in Adults at Risk for Alzheimer's Disease

NCT05422885
View directory record Official record
Conditions
Aging
Interventions
Dasatinib, Quercetin
Drug
Lead sponsor
Lewis Lipsitz
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quercetin's Effect on Bone Health and Inflammatory Markers

NCT05371340
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
Quercetin (500 mg), Placebo (500 mg)
Dietary Supplement · Other
Lead sponsor
Kennesaw State University
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Kennesaw, Georgia
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Gemcitabine Hydrochloride and Genistein in Treating Women With Stage IV Breast Cancer

NCT00244933
View directory record Official record
Conditions
Breast Cancer
Interventions
genistein, gemcitabine, Tumor biopsy
Dietary Supplement · Drug · Procedure
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Targeting Cellular Senescence With Senolytics to Improve Skeletal Health in Older Humans

NCT04313634
View directory record Official record
Conditions
Healthy
Interventions
Dasatinib, Quercetin, Fisetin
Drug
Lead sponsor
Sundeep Khosla, M.D.
Other
Eligibility
60 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced Sep 18, 2026, 4:32 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Polyphenols and Cognitive Decline

NCT06507254
View directory record Official record
Conditions
Cognitive Decline, Cognitive Dysfunction
Interventions
Polyphenol Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial

NCT02525198
View directory record Official record
Conditions
Mild Cognitive Impairment, Subjective Memory Impairment
Interventions
fatty acid/flavonoid blend, Placebo
Dietary Supplement
Lead sponsor
University of East Anglia
Other
Eligibility
55 Years and older
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Q-Trial in Patients With Hepatitis C

NCT01438320
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Quercetin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Phase II Study of Isoflavone G-2535 (Genistein) in Patients With Bladder Cancer

NCT00118040
View directory record Official record
Conditions
Recurrent Bladder Carcinoma, Stage I Bladder Cancer AJCC v6 and v7, Stage II Bladder Cancer AJCC v6 and v7, Stage III Bladder Cancer AJCC v6 and v7
Interventions
Genistein, Laboratory Biomarker Analysis, Pharmacological Study, Placebo Administration, Therapeutic Conventional Surgery
Drug · Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
10
States / cities
Birmingham, Alabama • Laguna Hills, California • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 18, 2026, 4:32 AM EDT
Completed Phase 1 Interventional

Targeting Pro-Inflammatory Cells in Idiopathic Pulmonary Fibrosis: a Human Trial

NCT02874989
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis (IPF)
Interventions
Dasatinib + Quercetin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Winston-Salem, North Carolina • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 18, 2026, 4:32 AM EDT